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Intake and apparent digestibility of rations containing different proportions of Coastcross (Cynodon dactylon (L.) Pers.) hay plus ground soybean grain and sheep eating behaviour/
Consumo e digestibilidade aparente de rações com diferentes proporções de feno de capim Coastcross (Cynodon dactylon (L.) Pers.) e soja crua moída e comportamento alimentar de ovinos

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Author(s): Elaine de Fátima Leoni | José Antônio Fregonesi | Ivone Yurika Mizubuti | Rafael Salmazo | Teresa Cristina Alves | Tiago Rodrigues Casimiro

Journal: Semina : Ciências Agrárias
ISSN 1676-546X

Volume: 27;
Issue: 4;
Start page: 685;
Date: 2006;
Original page

Keywords: Alimentação | Avaliação de alimentos | Ócio | Ovinos | Ruminação.

ABSTRACT
The aims of this experiment were to determine the average daily intake (ADI) and the apparent digestibility coefficient (ADC) of rations containing two levels of coastcross hay and ground soybean grain, as well as, to study the behavior of sheep fed on these rations. Ten wethers averaging 40.0 kg of live weight were allocated in feeding trial cages for this experiment. A completely randomized design with two treatments (T1= 80% coastcross hay + 20% soybean grain and T2= 60% coast cross hay + 40% soybean grain) and five replicates, were used. The treatments were evaluated under two feeding systems (voluntary and restrict). There were two experimental periods of seven days with fifteen days of previous adaptation each. The animals were fed twice a day with rations containing half of the estimated daily intake. The behaviours studied were times spent eating, ruminating and resting in a five minutes interval observation during twelve hours. There were no significant differences (P>0.05) between treatments for nutrientsADI but for crude protein and ether extract (EE). The ADC for dry matter (DM), fiber (F) and total carbohydrates (TC) were significantly greater (P

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